<template>
  <view>
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
      <swiper-item v-for="(item, index) in goods_info.pics" :key="index"><image :src="item.pics_big_url" mode="" @click="preview(index)"></image></swiper-item>
    </swiper>
    <!-- 商品信息区域 -->
    <view class="goods-info-box" v-if="goods_info.goods_name">
      <!-- 商品价格 -->
      <view class="price">￥{{ goods_info.goods_price }}</view>
      <!-- 信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品名称 -->
        <view class="goods-name">{{ goods_info.goods_name }}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递：免运费---{{ cart.length }}</view>
    </view>
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <view class="goods-carts"><uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick" @buttonClick="buttonClick" /></view>
  </view>
</template>

<script>
import { mapState,mapMutations,mapGetters } from 'vuex';
import {pick} from 'lodash'
export default {
  name: 'GoodsDetail',
  components: {},
  data() {
    return {
      goods_info: {},
      options: [
        {
          icon: 'shop',
          text: '店铺'
        },
        {
          icon: 'cart',
          text: '购物车',
          info: 0
        }
      ],
      buttonGroup: [
        {
          text: '加入购物车',
          backgroundColor: '#ff0000',
          color: '#fff'
        },
        {
          text: '立即购买',
          backgroundColor: '#ffa200',
          color: '#fff'
        }
      ]
    };
  },
  computed: {
    ...mapState('m_cart', ['cart']),
    ...mapGetters('m_cart',['total'])
  },
  watch:{
    total:{
      handler(val){
        console.log(val)
        this.options[1].info = val
      },
      immediate:true
    }
  },
  created() {},
  mounted() {},
  onLoad(options) {
    this.getGoodsDetail(options.goods_id);
  },
  methods: {
    ...mapMutations('m_cart',['addToCart']),
    async getGoodsDetail(goods_id) {
      let {
        data: {
          message,
          meta: { status }
        }
      } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id });
      console.log(message);
      if (status !== 200) return uni.$showMsg();
      message.goods_introduce = message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/.webp/g, '.jpg');
      this.goods_info = message;
    },
    preview(index) {
      let urls = this.goods_info.pics.map(t => t.pics_big_url);
      console.log('urls', urls);
      uni.previewImage({
        current: index,
        urls
      });
    },
    onClick(e) {
      if (e.content.text === '购物车') {
        uni.switchTab({
          url: '/pages/cart/cart'
        });
      }
    },
    buttonClick(e) {
      if(e.content.text === "加入购物车"){
        this.addToCart({
          goods_count:1,//代表购物车当中商品的数量
          ...pick(this.goods_info,['goods_id', 'goods_name', 'goods_price', 'goods_small_logo', 'goods_state'])
        })
      }
    }
  }
};
</script>

<style lang="scss">
swiper {
  height: 750rpx;
  image {
    height: 100%;
    width: 100%;
  }
}
// 商品信息区域的样式
.goods-info-box {
  padding: 10px;
  padding-right: 0;

  .price {
    color: #c00000;
    font-size: 18px;
    margin: 10px 0;
  }

  .goods-info-body {
    display: flex;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
      padding-right: 10px;
    }
    // 收藏区域
    .favi {
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }

  // 运费
  .yf {
    margin: 10px 0;
    font-size: 12px;
    color: gray;
  }
}
.goods-carts {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
  position: fixed;
  left: 0;
  right: 0;
  /* #ifdef H5 */
  left: var(--window-left);
  right: var(--window-right);
  /* #endif */
  bottom: 0;
}
</style>
